diff --git a/test/ruby/test_rubyoptions.rb b/test/ruby/test_rubyoptions.rb
index 4adb03edef..b7dfbd25c4 100644
--- a/test/ruby/test_rubyoptions.rb
+++ b/test/ruby/test_rubyoptions.rb
@@ -357,7 +357,7 @@ class TestRubyOptions < Test::Unit::TestCase
 
     assert_in_out_err(%W(-\r -e) + [""], "", [], [])
 
-    assert_in_out_err(%W(-\rx), "", [], /invalid option -\r  \(-h will show valid options\) \(RuntimeError\)/)
+    assert_in_out_err(%W(-\rx), "", [], /invalid option -[\r\n]  \(-h will show valid options\) \(RuntimeError\)/)
 
     assert_in_out_err(%W(-\x01), "", [], /invalid option -\x01  \(-h will show valid options\) \(RuntimeError\)/)